20090728 (number)

20090728 is an even 8-digits composite number following 20090727 and preceding 20090729. In scientific notation, it is written as 2.0090728 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 64 positive divisors. There are 8164800 positive integers (up to 20090728) that are relatively prime to 20090728.

Interesting facts

Basic properties

Name

Name twenty million ninety thousand seven hundred twenty-eight

Notation

Scientific notation 2.0090728 × 10^7
Engineering notation 2.0090728 × 10^6

Prime Factorization of 20090728

Prime Factorization 2 × 2 × 2 × 7 × 71 × 31 × 163

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5022682
Product of the distinct prime numbers

The prime factorization of 20090728 is 2 × 2 × 2 × 7 × 71 × 31 × 163. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20090728)

Multiplication

n×y
n×2 40181456
n×3 60272184
n×4 80362912
n×5 100453640

Division

n÷y
n÷2 10045364
n÷3 6696909.3333333
n÷3 5022682
n÷5 4018145.6

Exponentiation

ny
n2 403637351569984
n3 8.1093682410329E+21
n4 1.6292311158243E+29
n5 3.2732439197163E+36

Nth Root

y√n
2√n 4482.2681758235
3√n 271.85159869045
4√n 66.949743657638
5√n 28.880129399702

Divisors of 20090728

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20090727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20090728 can be divided by 64 positive divisors. The sum of these divisors (counting 20090728) is 1, the average is 0.015625.

Base conversion 20090728

Base System Value
2 Binary 1001100101000111101101000
3 Ternary 1101210201022001
4 Quaternary 1030220331220
5 Quinary 20120400403
6 Senary 1554340344
8 Octal 114507550
10 Decimal 20090728
12 Duodecimal 688a6b4
16 Hexadecimal 1328f68
20 Vigesimal 65b6g8
36 Base36 bym3s

Cryptographic Hash Functions

md5 7d9458f21475d4286e2961a1d5a8c49d
sha1 c44459b8b7a9dae50cdb6868d23f3bcbee19f1aa
sha256 3884fad33b527cdf10c6325976d4b544f35f52f2dd518e526202f616019cac19
sha512 027dd5e64bac3d4dae4bdb09ec09f6791791cb628eb686e34dcca1a12d9fee02fc54c909060c974879511a7ec41df7cad9a41f75129a3f4383680302538982e4
ripemd-160 5eaf98534f624ee2f4260af0c7b785ae26f8d098

20090728 as geometric shapes

Circle

Radius = n
Diameter 40181456
Circumference 126233766.98014
Area 1.2680641384067E+15

Sphere

Radius = n
Volume 3.3968442255045E+22
Surface area 5.0722565536268E+15
Circumference 126233766.98014

Square

Length = n
Perimeter 80362912
Area 403637351569984
Diagonal 28412580.015549

Cube

Length = n
Surface area 2421824109419904
Volume 8.1093682410329E+21
Space diagonal 34798161.657047

Equilateral Triangle

Length = n
Perimeter 60272184
Area 1.7478010018794E+14
Altitude 17399080.828523

Triangular Pyramid

Length = n
Surface area 1.7478010018794E+14
Volume 9.5569821239553E+20
Height 9470860.005183